This link is to one of my favorite articles about jealousy, "Managing Jealousy in Open Relationships" by Kathy Labriola. I find her description of jealousy and her solutions to jealousy very helpful.
The Bixexual Foundation is non-profit. The site offers casual resources for bisexuals including online personal ads, chat rooms, contests, and notices of conferences and events.
TES (The Eulenspiegel Society) is one of the world's oldest and largest social and educational organizations for BDSM, located in New York. The site includes many links to other organizations.
The Institute for Twenty-First Century Relationships along with its political arm, the National Coalition for Sexual Freedom, exist to support the freedom of consenting adults to discover intimate relationship structures which best fulfill their needs and potentials. This site provides details of upcoming events and links to books on topics such as polyamory, polygamy, swinging, power-based relationships, bisexuality, trans-gender issues and more.
The World Policy Institute's Project for Global Democracy and Human Rights provides the first comprehensive country-by-country report on rights of lesbian, gay, bisexual, and transgendered persons in the Americas.
The National Coalition for Sexual Freedom is a nationwide advocacy coalition whose purposes include educating law enforcement, health care and psychiatric professionals as well as a media advocacy and training to expand the world's concept of normal, acceptable sexual practices among consenting adults.